5220450220 has 48 divisors (see below), whose sum is σ = 11347918848. Its totient is φ = 2015225280.

The previous prime is 5220450197. The next prime is 5220450239. The reversal of 5220450220 is 220540225.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5220450191 and 5220450200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216069 + ... + 239011.

It is an arithmetic number, because the mean of its divisors is an integer number (236414976).

Almost surely, 2^5220450220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220450220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5673959424).

5220450220 is an abundant number, since it is smaller than the sum of its proper divisors (6127468628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5220450220 is a wasteful number, since it uses less digits than its factorization.

5220450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23350 (or 23348 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5220450220 is about 72252.6831335695. The cubic root of 5220450220 is about 1734.7463656013.

Adding to 5220450220 its reverse (220540225), we get a palindrome (5440990445).

The spelling of 5220450220 in words is "five billion, two hundred twenty million, four hundred fifty thousand, two hundred twenty".